.button {
  padding: 0.6rem 1.2rem;
  background-color: #ef4444; /* 注销按钮用红色 */
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.2s;
}

.button:hover {
  background-color: #dc2626;
}